Patents by Inventor Mustanir

Mustanir has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Lead frames with wettable flanks
    Patent number: 9966326
    Abstract: A method of producing wettable fillets in electronic packages. A matrix of unsingulated lead frames is provided, each including a plurality of lead elements and a chip pad. Chips are attached to the chip pads and terminals on the chips are electrically connected to lead portions of the lead elements. The top portion of the package is encapsulated. Masking is applied to the bottom surface of the lead elements and the chip pads, but at least one of the lead elements has a portion of its surfaced remaining exposed. The exposed lead element surface is etched to create a fillet. The fillets, lead elements and bottom surface of the chip pads are plated, and the packages then singulated, producing packages with wettable flanks.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: May 8, 2018
    Assignee: UNISEM (M) BERHAD
    Inventors: Mustanir, Maria Cristina T. Santillan, Debie Agung Setiawan, Yulia Natilova, Gunarto Wibowo
  • Lead Frames With Wettable Flanks
    Publication number: 20160276251
    Abstract: A method of producing wettable fillets in electronic packages. A matrix of unsingulated lead frames is provided, each including a plurality of lead elements and a chip pad. Chips are attached to the chip pads and terminals on the chips are electrically connected to lead portions of the lead elements. The top portion of the package is encapsulated. Masking is applied to the bottom surface of the lead elements and the chip pads, but at least one of the lead elements has a portion of its surfaced remaining exposed. The exposed lead element surface is etched to create a fillet. The fillets, lead elements and bottom surface of the chip pads are plated, and the packages then singulated, producing packages with wettable flanks.
    Type: Application
    Filed: March 16, 2015
    Publication date: September 22, 2016
    Applicant: UNISEM (M) BERHAD
    Inventors: Mustanir, Maria Cristina T. Santillan, Debie Agung Setiawan, Yulia Natilova, Gunarto Wibowo